QHG50 Slow Speed Ratio 0.95 FAST12JSD PTO for Crane Truck

 QHG50 Slow Speed Ratio 0.95 FAST12JSD PTO for Crane Truck

     The integrated shaft type power take-off device, with a slow speed ratio of 0.95, solves the problem of the vehicle-mounted crane's pressurized liquid pump getting stuck when towing heavy loads, and extends the service life of the pump valves.

Parameter Definition

• QHG50: Model designation

  QH = Power Take-off;

  G = Rear-mounted / High-speed type;

  50 = 500N·m torque rating.

• Slow speed 0.95: Low-speed gear with a gear ratio of 0.95.

  Output speed ≈ Engine speed × 0.95, slightly lower than the engine speed.

• PTO: Power Take-Off, a device that takes power from the transmission to drive hydraulic pumps or other auxiliary equipment.

Core Specifications

• Gear ratio: 0.95 (low speed); high-speed gear with ratio 1.25 is optional.

• Control mode: Single-action pneumatic engagement, automatic disengagement upon air cut-off.

• Rotation direction: Same as engine rotation.

• Compatibility: Suitable for Fast Gear 12JSD series and other countershaft transmissions.